There are a number of key steps you need to take to avoid mucking this part up.
Install asphalt shingles roof ridge.
The shingle should be in the center of the ridge.
To estimate costs for your project.
This is an area of the roof which requires extra care and skill.
Actual costs will depend on job size conditions and options.
With new laminated hip and ridge cap shingles finishing a roof installation with a ridge cap is a much simpler process than with the old three tab shingles.
Repeat this on both sides of the roof.
Nail metal flashing called drip edge along the bottom edge of the roof deck near the gutters.
The asphalt shingles that span the ridges of many residential roofs or ridge cap shingles are susceptible to damage from wind uplift and moisture penetration.
This is a particularly precarious.
A shingle over vent is installed over the ridge of a roof and is covered over by asphalt shingle caps that match the surrounding roof shingles.
An aluminum ridge vent has a mushroom shaped profile combined with a wide flange on both sides that sits on top of the roof shingles.
Center a minimum 610 mm 24 wide minimum 28 gauge pre finished galvanized metal valley liner in the valley and fasten with only enough nails to hold it in place nailing at the edges only.
Continue along the ridge of the roof until you have all of the shingles secured.
Line up the edges with the chalk line and secure with 2 roof nails right above the adhesive line on the shingle tab.
In summary to install the ridge cap shingles you simply separate them where they are perforated bend them over the peak and nail them down.
Every 5 inches make a new mark until you get to the rop of the roof.
Start at one of the eaves of the ridge and wrap a shingle around the ridge of the roof.
Use sticky back ice and water shield as underlayment where ice dams or leaf and twig dams are likely to build up and at.
Create your own price list in homewyse lists for a basic project in zip code 47474 with 125 square feet the cost to install a asphalt shingle roof starts at 3 36 4 42 per square foot.